I misunderstood what you meant by ‘tray’. Thought you meant you could only get it as a flatbed.
No problem.
“Tray” is simply what they call it down under, regardless of whether it’s left as a flatbed or has any of the mentioned attachments. First time I went there, I had to learn to speak Australian in order to rent (excuse me, “hire”) a light truck that would suit my needs. “We don’t have a pickup, mate, but you can get a tray ...”